supervisor david chu has introduced legislation that will put a cap on bars on poultry from california street 20 farrell. the ban would apply to bars. some residents would argue there are too many of them and they want a bar band put in place. others in the community have not seen any problems. >> the last couple of years it has been really bad. use the drug people and people getting into fights. you see people throwing up and doing all kinds of crazy stuff. there and between the cars in the alley. the party bosses with the traffic is just crazy. >> we do not recognized the problem that other folks say are happening. >> this legislation can only take effect of the board of supervisors approved it. >> federal thistles are blaming unsay working conditions for the death of a san francisco veterans affairs medical researcher. last year richard din was working out of vaccine for rare strain of meningitis when he himself became infected with the disease and later died. osha cited the lab for allowing the 25 year-old to work with the bacteria and all but rather than a so-called bio safety cab